Agreeable Tiger Moth

Spilosoma Congrua

Spilosoma Congrua

Info

Often called the Agreeable Tiger Moth, this elegant insect is a common sight across North America during the warm summer months. With its snowy-white wings and gentle demeanor, it looks like a tiny, grounded cloud resting on your porch or garden foliage. While its name suggests a pleasant personality, its "tiger" lineage comes from the bold patterns found on its larvae and the hidden spots on its body.

🔍 How to Identify

  • ☁️ The Wings: Primarily pure, brilliant white. While many individuals are spotless, some feature a few small, faint black dots on the forewings.
  • 🦵 The "Leg Warmers": If you look closely at the front legs, you’ll notice distinct yellow or orange coloring near the base, often paired with black spots—a stylish contrast to their white coats.
  • 🐛 The Larvae: Before it becomes a moth, it is a "woolly bear" style caterpillar, covered in dense, stiff black hairs, sometimes with subtle orange bands hiding beneath the fuzz.

🌲 Habitat & Ecology

  • 🥗 A Generalist Eater: As caterpillars, they aren't picky eaters. They happily munch on a variety of low-growing plants, including dandelions, plantains, and even some garden weeds, making them very common in suburban backyards.
  • 🌙 Nighttime Navigator: Like many moths, the Agreeable Tiger Moth is nocturnal. They are highly attracted to artificial lights, which is why you’ll often find them resting near front door lamps or windowsills in the morning.
  • 🦇 The Sound Shield: As members of the Erebidae family, these moths have "ears" on their midsections to detect the ultrasonic pings of hunting bats, allowing them to perform emergency dive-bombs to escape being eaten.

⚠️ Safety & Toxicity

  • 🦋 The Adult: Completely harmless. They do not bite or sting and are safe to gently relocate if they fly into your home.
  • 🧤 Caterpillar Caution: While not venomous, the "fuzzy" hairs of the caterpillar can cause mild skin irritation or an itchy rash on people with sensitive skin. It is always best to admire the woolly larvae with your eyes rather than your hands.

✨ Fun Fact

The "Agreeable" in its name isn't just a comment on its temperament! It was likely named as a contrast to its more "disagreeable" or complex-looking relatives in the Tiger Moth family, which often have much more chaotic and aggressive-looking wing patterns.

More Details



Similar Insects

Explore the World of Bugs

European Stag Beetle

European Stag Beetle

Lucanus Cervus

View Details
Emerald Spreadwing

Emerald Spreadwing

Lestes Dryas

View Details
Giant Wētā

Giant Wētā

Deinacrida

View Details

Get Plantiary on Your Device

Identify plants, receive care reminders, and become a plant expert.

Plantiary App Download QR Code